Methods for cleaning substrates

Details Methods for cleaning substrates Methods for cleaning substrates

B - Operations, Transporting

08

B

B08B 3/08 (2006.01) B08B 3/04 (2006.01) B64F 5/00 (2006.01) C09K 13/04 (2006.01)

Patent

CA 2717709

A method for removing sand particles from a substrate is described. The method includes the step of treating the substrate with an acid solution comprising H x AF6, wherein A is selected from the group consisting of Si, Ge, Ti, Zr, Al, and Ga; and wherein H x AF6 is present at a concentration in the range from about 5 weight percent to about 40 weight percent.

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